CLY-FAKING. Picking pockets.
COACHWHEEL. A dollar.
COCK AND HEN CLUB. A place frequented by thieves of both sexes.
COCKED HIS TOES UP. Dead. "He is dead."
COCUM. Sly; wary.
COFFEE. Beans.
COG. To cheat; to impose; a tooth.
COGLIONE. A fool; a woman's dupe; a fop.
COLD DECK. A prepared deck of cards played on a novice or "sucker."
COLD PIG. A person that has been robbed of his clothes.